<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>js 验证是否为中文</title> </head> <body> <input type="text" id="text" /> <button onclick="check()">检查</button> <script language="javascript"> function check(){ var text = document.getElementById("text"); if(isChinese(text.value)){ alert("是中文"); }else{ alert("不是中文"); } } function isChinese(temp) { var re = /^[u4E00-u9FA5]+$/; if(re.test(temp)){ return false; } return true; } </script> </body> </html>
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